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Table 1 Clinical characteristics of patients (n = 24)

From: Convalescent plasma is of limited clinical benefit in critically ill patients with coronavirus disease-2019: a cohort study

Clinical characteristics Received CP (n = 14) Without CP (n = 10) P value
Demographics
 Gender
  Male, n (%) 8 (57) 7 (70) 0.678
  Female, n (%) 6 (43) 3 (30) 0.678
 Age, mean ± SE, y 64.6 ± 4.3 55.6 ± 4.8 0.177
  < 40 years, n (%) 1 (7) 1 (10) 1
  40–60 years, n (%) 3 (21) 5 (50) 0.204
  > 60 years, n (%) 10 (71) 4 (40) 0.211
APACHE II score, mean ± SE 12.2 ± 1.6 9.0 ± 0.8 0.121
With three or more comorbidities, n (%) 8 (57) 4 (40) 0.680
Main comorbidities
 Chronic obstructive pulmonary disease, n (%) 6 (43) 1 (10) 0.171
 Diabetes mellitus, n (%) 4 (29) 1 (10) 0.358
 Hypertension, n (%) 4 (29) 1 (10) 0.358
 Coronary heart disease, n (%) 4 (29) 0 0.114
Main complication
 Bacterial pneumonia, n (%) 9 (64) 3 (30) 0.213
 Hypoalbuminous edema, n (%) 8 (57) 3 (30) 0.240
 Respiratory fungal infection, n (%) 6 (43) 1 (10) 0.171
 Gastrointestinal hemorrhage, n (%) 2 (14) 0 0.493
  1. APACHE acute physiology and chronic health evaluation, CP convalescent plasma, SE stand error